Finding the Fourth Proportional to 2,061.81, 2,845.20 and 1,130.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.81 : 2,845.20 = 1,130.29 : x
2. Step 2: Convert to fraction form
   2,061.81/2,845.20 = 1,130.29/x
3. Step 3: Cross multiply
   2,061.81x = 2,845.20 × 1,130.29
4. Step 4: Simplify right side
   2,061.81x = 3,215,901.11
5. Step 5: Solve for x
   x = 3,215,901.11/2,061.81
6. Step 6: Final answer
   x = 1,559.75